While Gervais didn't watch "The Office," it has been highly lucrative for him, "more than anything else probably I've ever done," he notes. "It's the gift that keeps on giving, syndication."

Gervais recently resurrected his "Office" boss, David Brent, in a short sketch for Red Nose Day. Some critics believe he did it to feel popular again after dismal reviews of his newest show, "Derek."

Learn guitar with David Brent:

"If I've only got a career if I bring David Brent back, you can have it. No. No, I do it for me and like-minded people," he explains. "I'm not going to pander, I'm not going to change things, I'm not going to do focus groups."Gervais also addressed talk that he's "lost it" -- that magic touch that made "The Office" a hit.